make the NullStreamer set the section on a label when emitted so that isDefined(...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98100 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/MC/MCNullStreamer.cpp b/lib/MC/MCNullStreamer.cpp
index ab6179907e8817a828511be4526ac5241fc84859..5f0c64adffd4a9f3903049d452b279b1c53df0ca 100644 (file)
--- a/lib/MC/MCNullStreamer.cpp
+++ b/lib/MC/MCNullStreamer.cpp
@@ -29,7 +29,11 @@ namespace {
       CurSection = Section;
     }
 
-    virtual void EmitLabel(MCSymbol *Symbol) {}
+    virtual void EmitLabel(MCSymbol *Symbol) {
+      assert(Symbol->isUndefined() && "Cannot define a symbol twice!");
+      assert(CurSection && "Cannot emit before setting section!");
+      Symbol->setSection(*CurSection);
+    }
 
     virtual void EmitAssemblerFlag(MCAssemblerFlag Flag) {}